2102001201212 has 48 divisors (see below), whose sum is σ = 4130195142528. Its totient is φ = 927640998720.

The previous prime is 2102001201151. The next prime is 2102001201217. The reversal of 2102001201212 is 2121021002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102001201217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622118 + ... + 2142669.

It is an arithmetic number, because the mean of its divisors is an integer number (86045732136).

Almost surely, 2^{2102001201212} is an apocalyptic number.

2102001201212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2102001201212 is a deficient number, since it is larger than the sum of its proper divisors (2028193941316).

2102001201212 is a wasteful number, since it uses less digits than its factorization.

2102001201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765306 (or 2765304 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102001201212 its reverse (2121021002012), we get a palindrome (4223022203224).

The spelling of 2102001201212 in words is "two trillion, one hundred two billion, one million, two hundred one thousand, two hundred twelve".